Spin wave logic devices is a type of magnetic devices that utilize spin waves for data transfer and processing. A fast amplitude damping is a major drawback inherent in the spin wave devices. We propose a combination of the spin wave logic devices with an auto-oscillatory circuit. This combination allows us to compensate the spin wave losses, and to significantly improve the output characteristics by providing the gain and suppressing the amplitude noise. We present experimental data showing the operation of the prototype circuit implemented with the Y3Fe2(FeO4)3 structure. The on/off ratio of the device exceeds 40 dB, and it is limited only by the non-linear decay processes in the magnetic film. The noise level is -110 dB/Hz at the frequency f=10 Hz. The physical limitations and technological constraints of the proposed approach will also be discussed.

*This was supported by the Spins and Heat in Nanoscale Electronic Systems (SHINES), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Basic Energy Sciences (BES) under Award # SC0012670.